Fig. 2From: Fabrication of paper-based enzyme immobilized microarray by 3D-printing technique for screening α-glucosidase inhibitors in mulberry leaves and lotus leavesPolycaprolactone-modification of filter paper: a polycaprolactone 3D-printed on filter paper; b the polycaprolactone-modified paper; c the polycaprolactone-modified paper after cuttingBack to article page